Home Phone comparison Samsung Galaxy A51 and OnePlus 7T - Which is better?

Samsung Galaxy A51 vs OnePlus 7T

41 out 100
Samsung Galaxy A51
VS
56 out 100
OnePlus 7T
Samsung Galaxy A51
OnePlus 7T

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs OnePlus 7T, Manufactured in September, 2019 with chipsetQualcomm Snapdragon 855 Plus. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 190g
  • Higher battery capacity: 4000mAh vs 3800mAh
Reasons to choose OnePlus 7T
  • Larger display: 6.55in
  • Higher refresh rate: 90Hz
  • Supports newer USB: 3.1 vs 2
  • Supports DisplayPort

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy A51 and OnePlus 7T
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy A51
vs
OnePlus 7T

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.5 in 6.55 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 405 ppi 402 ppi
Refresh rate 60 Hz 90 Hz
Adaptive refresh rate No No
Max brightness 400 nits 1000 nits
HDR support No Yes HDR10+
Screen-to-body ratio 87.5 % 86.4 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
OnePlus 7T
736 nits
sRGB gamut98.8 %99.6 %
PWM (Flicker)242 Hz357 Hz
Response time25 ms6 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy A51], [OnePlus 7T]

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 160.9 mm (6.33 in)
Width 73.6 mm (2.9 in) 74.5 mm (2.93 in)
Thickness 7.9 mm (0.31 in) 8.1 mm (0.32 in)
Weight 172 g (6.07 oz) 190 g (6.7 oz)
Water resistance No IPX4
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black		 - Silver
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
OnePlus 7T
86.4 %

Performance

Testing Samsung Galaxy A51 and OnePlus 7T In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Qualcomm Snapdragon 855 Plus
Max Frequency 2300 MHz 2960 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.96 (Cortex-A76 (Kryo 485 Gold))
Process Samsung TSMC
Transistor Size 10 nm 7 nm
Neural Processor Yes Hexagon 690
Graphics Mali-G72 MP3 Adreno 640
GPU Cores 54 768
GPU Frequency 850 MHz 627 MHz
FLOPS 113.8 GFLOPS 1036.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
OnePlus 7T
1020
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
OnePlus 7T
2810
Geekbench 6 (Single-Core)5121020
Geekbench 6 (Multi-Core)15562810
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
OnePlus 7T
618133
CPU83857193505
GPU45166155728
Memory63828133411
UX75909135489
NanoReview Score268760618133
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
OnePlus 7T
2401
Max Surface Temp.42.2 °C50.7 °C
Stability95 %97 %
Graphics Test4 fps14 fps
Graphics Score8122401
Sources: 3DMark [Samsung Galaxy A51], [OnePlus 7T]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 128 GB
- 256 GB
Storage TypeUFS 2.0UFS 3.0
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 13) Android 10.0 (Upgradeable to Android 12)
OS Size 23 GB 27 GB
UI Skin One UI 5.1 OxygenOS 12.1

Battery

Volume 4000 mAh 3800 mAh
Max Charging Power 15 W 30 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (40% in 35 min) Yes Warp Charge 3T (35% in 15 min)
Full Charge Time 1:50 h 1:00 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
OnePlus 7T
20:23
Web Browsing07:15 h07:55 h
Video Playback11:25 h11:54 h
Games04:49 h04:45 h
Standby Mode81 h103 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8000x6000 pixels 8000x6000 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 960 fps (720p)
Wide-angle lens 120 ° 117 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 48 MP
Telephoto: 12 MP
Ultra-wide: 16 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP48 MP
Aperturef/2.0f/1.6
Focal length26 mm26 mm
SensorSony IMX582Sony IMX586
Sensor size1/21/2
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a51 mm
Sensorn/aSamsung S5K3M5
Sensor sizen/a1/3.4
Pixel sizen/a1 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrix12 MP16 MP
Aperturef/2.2f/2.2
Focal length13 mm17 mm
Sensorn/aSony IMX481
Sensor sizen/a1/3.09
Pixel size1.12 μm1 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy A51
n/a
OnePlus 7T
122
Video quality
Samsung Galaxy A51
n/a
OnePlus 7T
96
Overall camera score
Samsung Galaxy A51
n/a
OnePlus 7T
114

Front camera

Matrix 32 MP 16 MP
Photo resolution 6560x4928 pixels 4608x3456 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 25 mm
Sensor Samsung S5KGD1 Sony IMX471
Sensor size 1/2.8 1/3.1
Pixel size 0.8 μm 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsUMTS 850 / 900 / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B1/B2/B3/B4(1700/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B29/B32/B34/B38/B39/B40/B41/B66(1700/B2100))
LTE category1216
5G SupportNoNo

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
OnePlus 7T
85.2 dB

Other

Class Mid-range Flagship
Announced December, 2019 yr September, 2019 yr
Release Date December, 2019 yr September, 2019 yr
Launch Price ($) 399 600
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 7T the clear winner in this comparison.

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